MESON Chess Problem Database

Problem Display
PID: 11741 (4R3/1b2p1r1/6n1/n1R4Q/B3kp1p/2P1N3/K1P1p2q/2B5 w - - 0 1)

Labai, Zoltan

1st HM., Pravda (Bratislava), 1971-1972

4R3/1b2p1r1/6n1/n1R4Q/B3kp1p/2P1N3/K1P1p2q/2B5

#2

9 + 10

274 diagrammes 1973

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5+
      • 2.Qxd5#
    • 1...Ba6
      • 2.Qd5#
    • 1...Bc8
      • 2.Qd5#
    • 1...Sc4
      • 2.Rxc4#
    • 1...Sc6
      • 2.Qd5#
    • 1...Se5
      • 2.Rxe5#
    • 1...Sf8
      • 2.Re5#
    • 1...Sh8
      • 2.Re5#
    • 1...fxe3
      • 2.Qf5#
    • 1...f3
      • 2.Qf5#
  • Tries
    • 1.Bb5?
      • threat
        • 2.Bd3#
      • 1...Bd5+
        • 2.Qxd5#
      • 1...fxe3
        • 2.Qf5#
      • 1...f3
        • 2.Qf5#
      • 1...Ba6
        • 2.Qd5#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Se5
        • 2.Rxe5#
      • 1...e1S!
    • 1.Bc6+?
      • 1...Sxc6
        • 2.Qd5#
      • 1...Bxc6!
    • 1.Rxe7+?
      • 1...Se5
        • 2.Rcxe5#
        • 2.Rexe5#
      • 1...Sxe7
        • 2.Re5#
      • 1...Rxe7!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sd6#
      • 1...Sxc4
        • 2.Rxc4#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Se5
        • 2.Rxe5#
      • 1...f3
        • 2.Qf5#

This is a version of 95088

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • B(h);CHECK,N_GUARD::QAB1(H),XB(h)
    • B(h);N_GUARD::QAB1(H)
    • S(f);N_GUARD::R(G),XS(f)
    • S(f);S_CUTB(h)::QAB1(H)
    • S(g);N_GUARD,N_SPINP(i)::R1(G),XS(g)
    • S(g);N_GUARD::R1(G)
    • P(d);XS(E)::QAB1(H)
    • P(d);::QAB1(H)
  • Tries
    • Try
      • B(F);
      • Threat
        • B(F)
      • Vars
        • B(h);CHECK,N_GUARD::QAB1(H),XB(h)
        • P(d);XS(E)::QAB1(H)
        • P(d);::QAB1(H)
        • B(h);N_GUARD::QAB1(H)
        • S(f);N_GUARD::R(G),XS(f)
        • S(g);N_GUARD,N_SPINP(i)::R1(G),XS(g)
      • Refutation
        • P(a);P_PINP(C)
    • Try
      • B(F);CHECK
      • Vars
        • S(f);XB(F)::QAB1(H)
      • Refutation
        • B(h);XB(F)
    • Try
      • R(I);CHECK,XP(i)
      • Vars
        • S(g);N_GUARD,XR(I)::R1(G)
      • Refutation
        • R(j);XR(I)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • S(f);OGATE,XS(E)::R(G),XS(f)
      • B(h);N_GUARD,P_PINS(E)::QAB1(H),XB(h)
      • S(g);N_GUARD,N_SPINP(i)::R1(G),XS(g)
      • P(d);::QAB1(H)
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